850579219290 has 16 divisors (see below), whose sum is σ = 2041390126368. Its totient is φ = 226821125136.

The previous prime is 850579219249. The next prime is 850579219331. The reversal of 850579219290 is 92912975058.

It is an interprime number because it is at equal distance from previous prime (850579219249) and next prime (850579219331).

It is a self number, because there is not a number n which added to its sum of digits gives 850579219290.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14176320292 + ... + 14176320351.

It is an arithmetic number, because the mean of its divisors is an integer number (127586882898).

Almost surely, 2^850579219290 is an apocalyptic number.

850579219290 is an abundant number, since it is smaller than the sum of its proper divisors (1190810907078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

850579219290 is a wasteful number, since it uses less digits than its factorization.

850579219290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28352640653.

The product of its (nonzero) digits is 4082400, while the sum is 57.

The spelling of 850579219290 in words is "eight hundred fifty billion, five hundred seventy-nine million, two hundred nineteen thousand, two hundred ninety".